... can be choose I shape and V shape Product Name: EURO-Style fluorescent louver Specifications: 1) Use for: construction project, office, hotel ... : 110V,120V,127V,220V,240V 4) Frequency: 50/60Hz 5) Material: Steel base for 0.25mm, 0.3mm,0.4mm,0 ... I shape or V shape . 6)Packing: Standard export carton EURO-Style fluorescent louver